    <%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <%@ page isELIgnored="false" %>
    <html>
    <head>
        <title>下订单</title>
    </head>
    <body>

    <form action="${pageContext.request.contextPath}/api/alipay/pay" method="post">
        订单id：<input type="text" name="orderNum"><br>
        支付金额：<input type="text" name="paidAmount"><br>
        商品id：<input type="text" name="productId"><br>
        <input type="submit" value="支付">
    </form>
    </body>
    </html>
